Cheap flights from Saint Thomas Island to Washington, D.C. from $133
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to Washington, D.C. departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.United Airlines flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
Our best American Airlines deals on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flight tickets
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Use the filters below to find and compare flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Thu 11/5
1:07 pm-4:30 pm
Nonstop4h 23m
Washington, D.C. Dulles Intl
Thu 11/12
8:56 am-1:56 pm
Nonstop4h 00m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Fri 10/30
12:07 pm-4:30 pm
Nonstop4h 23m
Washington, D.C. Dulles Intl
Tue 11/3
8:56 am-1:56 pm
Nonstop4h 00m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Thu 11/12
4:33 pm-11:54 pm
1 stop8h 21m
Washington, D.C. Dulles Intl
Tue 12/1
6:00 am-1:41 pm
1 stop6h 41m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Tue 11/10
4:33 pm-10:59 pm
1 stop7h 26m
Washington, D.C. Dulles Intl
Tue 12/1
6:00 am-1:41 pm
1 stop6h 41m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Wed 11/11
4:33 pm-10:59 pm
1 stop7h 26m
Washington, D.C. Dulles Intl
Tue 12/1
6:00 am-1:41 pm
1 stop6h 41m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Fri 10/30
12:07 pm-4:30 pm
Nonstop4h 23m
Washington, D.C. Dulles Intl
Fri 11/6
8:56 am-1:56 pm
Nonstop4h 00m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Thu 11/12
3:00 pm-11:25 pm
1 stop9h 25m
Washington, D.C. Dulles Intl
Fri 12/4
8:56 am-1:56 pm
Nonstop4h 00m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Tue 11/10
1:07 pm-4:30 pm
Nonstop4h 23m
Washington, D.C. Dulles Intl
Mon 12/7
8:56 am-1:56 pm
Nonstop4h 00m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Tue 11/10
1:07 pm-4:30 pm
Nonstop4h 23m
Washington, D.C. Dulles Intl
Mon 11/30
8:56 am-1:56 pm
Nonstop4h 00m
Saint Thomas IslandWashington, D.C.
STT Saint Thomas Island Cyril E King - IAD Washington, D.C. Dulles Intl
STTIAD
Saint Thomas Island Cyril E King
Tue 11/10
1:07 pm-4:30 pm
Nonstop4h 23m
Washington, D.C. Dulles Intl
Sun 11/29
8:56 am-1:56 pm
Nonstop4h 00m
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Saint Thomas Island and Washington, D.C. Dulles Intl Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $351 to $379.The lowest price recently found on this route was $261.
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, March is the cheapest month to fly from Saint Thomas Island to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $490. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Saint Thomas Island to Washington, D.C. Dulles Intl Airport for around $1,648.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Saint Thomas Island in the morning is the least expensive time of day to depart. momondo users have found prices as low as $544 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $807 on average. Flights to Washington, D.C. Dulles Intl Airport from Saint Thomas Island in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl flight route?
Fly from Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl for the best Saint Thomas Island Cyril E King - Washington, D.C. Dulles Intl flight prices
What cabin class options are available on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights?
There are 2 cabin classes available to choose from on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights?
No. A direct flight is the cheapest option for a flight between Saint Thomas Island to Washington, D.C. Dulles Intl Airport.
When to book flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
Cheap Saint Thomas Island to Washington, D.C. Dulles Intl Airport (STT to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
Frequently asked questions about flying from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
How far is Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl by plane?
Saint Thomas Island Cyril E King and Washington, D.C. Dulles Intl are 1608.5 mi apart from one another. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport?
As of October 2026, there is 1 operator available to choose from for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Saint Thomas Island to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Saint Thomas Island and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 737 MAX 8, making up 65.00% of the total bookings. Other popular models include Boeing 757 with 20.00%, Airbus A319 with 5.00%, and Boeing 737-700 with 5.00%.
What is the most popular airline from Saint Thomas Island to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Saint Thomas Island to Washington, D.C. Dulles Intl Airport is United Airlines (100% of total bookings).
Best airlines flying from Saint Thomas Island to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Saint Thomas Island to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $261 | Free Cancellation | Rating 7.4 10,302 reviews |
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Why should I use momondo to find a flight deal from Saint Thomas Island to Washington, D.C.?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Saint Thomas Island to Washington, D.C.. momondo saves you time and could save you money on your trip.
Can I find flights from Saint Thomas Island to Washington, D.C. with flexible booking policies on momondo?
Yes. All flights to Washington, D.C. from Saint Thomas Island on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Saint Thomas Island to Washington, D.C.?
momondo helps you find the best flight between Saint Thomas Island and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Saint Thomas Island to Washington, D.C. right now. Can momondo alert me if prices change?
Price alerts on flights to Washington, D.C. from Saint Thomas Island are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.